blob: 398eba3998790155da4067eb09c582e289fbca4f [file] [log] [blame]
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __ASM_POWERPC_CPUTABLE_H
3#define __ASM_POWERPC_CPUTABLE_H
4
5
6#include <linux/types.h>
7#include <uapi/asm/cputable.h>
8#include <asm/asm-const.h>
9
10#ifndef __ASSEMBLY__
11
12/* This structure can grow, it's real size is used by head.S code
13 * via the mkdefs mechanism.
14 */
15struct cpu_spec;
16
17typedef void (*cpu_setup_t)(unsigned long offset, struct cpu_spec* spec);
18typedef void (*cpu_restore_t)(void);
19
20enum powerpc_oprofile_type {
21 PPC_OPROFILE_INVALID = 0,
22 PPC_OPROFILE_RS64 = 1,
23 PPC_OPROFILE_POWER4 = 2,
24 PPC_OPROFILE_G4 = 3,
25 PPC_OPROFILE_FSL_EMB = 4,
26 PPC_OPROFILE_CELL = 5,
27 PPC_OPROFILE_PA6T = 6,
28};
29
30enum powerpc_pmc_type {
31 PPC_PMC_DEFAULT = 0,
32 PPC_PMC_IBM = 1,
33 PPC_PMC_PA6T = 2,
34 PPC_PMC_G4 = 3,
35};
36
37struct pt_regs;
38
39extern int machine_check_generic(struct pt_regs *regs);
40extern int machine_check_4xx(struct pt_regs *regs);
41extern int machine_check_440A(struct pt_regs *regs);
42extern int machine_check_e500mc(struct pt_regs *regs);
43extern int machine_check_e500(struct pt_regs *regs);
44extern int machine_check_e200(struct pt_regs *regs);
45extern int machine_check_47x(struct pt_regs *regs);
46int machine_check_8xx(struct pt_regs *regs);
David Brazdil0f672f62019-12-10 10:32:29 +000047int machine_check_83xx(struct pt_regs *regs);
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000048
49extern void cpu_down_flush_e500v2(void);
50extern void cpu_down_flush_e500mc(void);
51extern void cpu_down_flush_e5500(void);
52extern void cpu_down_flush_e6500(void);
53
54/* NOTE WELL: Update identify_cpu() if fields are added or removed! */
55struct cpu_spec {
56 /* CPU is matched via (PVR & pvr_mask) == pvr_value */
57 unsigned int pvr_mask;
58 unsigned int pvr_value;
59
60 char *cpu_name;
61 unsigned long cpu_features; /* Kernel features */
62 unsigned int cpu_user_features; /* Userland features */
63 unsigned int cpu_user_features2; /* Userland features v2 */
64 unsigned int mmu_features; /* MMU features */
65
66 /* cache line sizes */
67 unsigned int icache_bsize;
68 unsigned int dcache_bsize;
69
70 /* flush caches inside the current cpu */
71 void (*cpu_down_flush)(void);
72
73 /* number of performance monitor counters */
74 unsigned int num_pmcs;
75 enum powerpc_pmc_type pmc_type;
76
77 /* this is called to initialize various CPU bits like L1 cache,
78 * BHT, SPD, etc... from head.S before branching to identify_machine
79 */
80 cpu_setup_t cpu_setup;
81 /* Used to restore cpu setup on secondary processors and at resume */
82 cpu_restore_t cpu_restore;
83
84 /* Used by oprofile userspace to select the right counters */
85 char *oprofile_cpu_type;
86
87 /* Processor specific oprofile operations */
88 enum powerpc_oprofile_type oprofile_type;
89
90 /* Bit locations inside the mmcra change */
91 unsigned long oprofile_mmcra_sihv;
92 unsigned long oprofile_mmcra_sipr;
93
94 /* Bits to clear during an oprofile exception */
95 unsigned long oprofile_mmcra_clear;
96
97 /* Name of processor class, for the ELF AT_PLATFORM entry */
98 char *platform;
99
100 /* Processor specific machine check handling. Return negative
101 * if the error is fatal, 1 if it was fully recovered and 0 to
102 * pass up (not CPU originated) */
103 int (*machine_check)(struct pt_regs *regs);
104
105 /*
106 * Processor specific early machine check handler which is
107 * called in real mode to handle SLB and TLB errors.
108 */
109 long (*machine_check_early)(struct pt_regs *regs);
110};
111
112extern struct cpu_spec *cur_cpu_spec;
113
114extern unsigned int __start___ftr_fixup, __stop___ftr_fixup;
115
116extern void set_cur_cpu_spec(struct cpu_spec *s);
117extern struct cpu_spec *identify_cpu(unsigned long offset, unsigned int pvr);
118extern void identify_cpu_name(unsigned int pvr);
119extern void do_feature_fixups(unsigned long value, void *fixup_start,
120 void *fixup_end);
121
122extern const char *powerpc_base_platform;
123
124#ifdef CONFIG_JUMP_LABEL_FEATURE_CHECKS
125extern void cpu_feature_keys_init(void);
126#else
127static inline void cpu_feature_keys_init(void) { }
128#endif
129
130#endif /* __ASSEMBLY__ */
131
132/* CPU kernel features */
133
134/* Definitions for features that we have on both 32-bit and 64-bit chips */
135#define CPU_FTR_COHERENT_ICACHE ASM_CONST(0x00000001)
136#define CPU_FTR_ALTIVEC ASM_CONST(0x00000002)
137#define CPU_FTR_DBELL ASM_CONST(0x00000004)
138#define CPU_FTR_CAN_NAP ASM_CONST(0x00000008)
139#define CPU_FTR_DEBUG_LVL_EXC ASM_CONST(0x00000010)
140#define CPU_FTR_NODSISRALIGN ASM_CONST(0x00000020)
141#define CPU_FTR_FPU_UNAVAILABLE ASM_CONST(0x00000040)
142#define CPU_FTR_LWSYNC ASM_CONST(0x00000080)
143#define CPU_FTR_NOEXECUTE ASM_CONST(0x00000100)
144#define CPU_FTR_EMB_HV ASM_CONST(0x00000200)
145
146/* Definitions for features that only exist on 32-bit chips */
147#ifdef CONFIG_PPC32
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000148#define CPU_FTR_L2CR ASM_CONST(0x00002000)
149#define CPU_FTR_SPEC7450 ASM_CONST(0x00004000)
150#define CPU_FTR_TAU ASM_CONST(0x00008000)
151#define CPU_FTR_CAN_DOZE ASM_CONST(0x00010000)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000152#define CPU_FTR_L3CR ASM_CONST(0x00040000)
153#define CPU_FTR_L3_DISABLE_NAP ASM_CONST(0x00080000)
154#define CPU_FTR_NAP_DISABLE_L2_PR ASM_CONST(0x00100000)
155#define CPU_FTR_DUAL_PLL_750FX ASM_CONST(0x00200000)
156#define CPU_FTR_NO_DPM ASM_CONST(0x00400000)
157#define CPU_FTR_476_DD2 ASM_CONST(0x00800000)
158#define CPU_FTR_NEED_COHERENT ASM_CONST(0x01000000)
159#define CPU_FTR_NO_BTIC ASM_CONST(0x02000000)
160#define CPU_FTR_PPC_LE ASM_CONST(0x04000000)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000161#define CPU_FTR_SPE ASM_CONST(0x10000000)
162#define CPU_FTR_NEED_PAIRED_STWCX ASM_CONST(0x20000000)
163#define CPU_FTR_INDEXED_DCR ASM_CONST(0x40000000)
164
165#else /* CONFIG_PPC32 */
166/* Define these to 0 for the sake of tests in common code */
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000167#define CPU_FTR_PPC_LE (0)
Olivier Deprez157378f2022-04-04 15:47:50 +0200168#define CPU_FTR_SPE (0)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000169#endif
170
171/*
172 * Definitions for the 64-bit processor unique features;
173 * on 32-bit, make the names available but defined to be 0.
174 */
175#ifdef __powerpc64__
176#define LONG_ASM_CONST(x) ASM_CONST(x)
177#else
178#define LONG_ASM_CONST(x) 0
179#endif
180
181#define CPU_FTR_REAL_LE LONG_ASM_CONST(0x0000000000001000)
182#define CPU_FTR_HVMODE LONG_ASM_CONST(0x0000000000002000)
183#define CPU_FTR_ARCH_206 LONG_ASM_CONST(0x0000000000008000)
184#define CPU_FTR_ARCH_207S LONG_ASM_CONST(0x0000000000010000)
185#define CPU_FTR_ARCH_300 LONG_ASM_CONST(0x0000000000020000)
186#define CPU_FTR_MMCRA LONG_ASM_CONST(0x0000000000040000)
187#define CPU_FTR_CTRL LONG_ASM_CONST(0x0000000000080000)
188#define CPU_FTR_SMT LONG_ASM_CONST(0x0000000000100000)
189#define CPU_FTR_PAUSE_ZERO LONG_ASM_CONST(0x0000000000200000)
190#define CPU_FTR_PURR LONG_ASM_CONST(0x0000000000400000)
191#define CPU_FTR_CELL_TB_BUG LONG_ASM_CONST(0x0000000000800000)
192#define CPU_FTR_SPURR LONG_ASM_CONST(0x0000000001000000)
193#define CPU_FTR_DSCR LONG_ASM_CONST(0x0000000002000000)
194#define CPU_FTR_VSX LONG_ASM_CONST(0x0000000004000000)
195#define CPU_FTR_SAO LONG_ASM_CONST(0x0000000008000000)
196#define CPU_FTR_CP_USE_DCBTZ LONG_ASM_CONST(0x0000000010000000)
197#define CPU_FTR_UNALIGNED_LD_STD LONG_ASM_CONST(0x0000000020000000)
198#define CPU_FTR_ASYM_SMT LONG_ASM_CONST(0x0000000040000000)
199#define CPU_FTR_STCX_CHECKS_ADDRESS LONG_ASM_CONST(0x0000000080000000)
200#define CPU_FTR_POPCNTB LONG_ASM_CONST(0x0000000100000000)
201#define CPU_FTR_POPCNTD LONG_ASM_CONST(0x0000000200000000)
Olivier Deprez157378f2022-04-04 15:47:50 +0200202/* LONG_ASM_CONST(0x0000000400000000) Free */
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000203#define CPU_FTR_VMX_COPY LONG_ASM_CONST(0x0000000800000000)
204#define CPU_FTR_TM LONG_ASM_CONST(0x0000001000000000)
205#define CPU_FTR_CFAR LONG_ASM_CONST(0x0000002000000000)
206#define CPU_FTR_HAS_PPR LONG_ASM_CONST(0x0000004000000000)
207#define CPU_FTR_DAWR LONG_ASM_CONST(0x0000008000000000)
208#define CPU_FTR_DABRX LONG_ASM_CONST(0x0000010000000000)
209#define CPU_FTR_PMAO_BUG LONG_ASM_CONST(0x0000020000000000)
210#define CPU_FTR_POWER9_DD2_1 LONG_ASM_CONST(0x0000080000000000)
211#define CPU_FTR_P9_TM_HV_ASSIST LONG_ASM_CONST(0x0000100000000000)
212#define CPU_FTR_P9_TM_XER_SO_BUG LONG_ASM_CONST(0x0000200000000000)
David Brazdil0f672f62019-12-10 10:32:29 +0000213#define CPU_FTR_P9_TLBIE_STQ_BUG LONG_ASM_CONST(0x0000400000000000)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000214#define CPU_FTR_P9_TIDR LONG_ASM_CONST(0x0000800000000000)
David Brazdil0f672f62019-12-10 10:32:29 +0000215#define CPU_FTR_P9_TLBIE_ERAT_BUG LONG_ASM_CONST(0x0001000000000000)
Olivier Deprez157378f2022-04-04 15:47:50 +0200216#define CPU_FTR_P9_RADIX_PREFETCH_BUG LONG_ASM_CONST(0x0002000000000000)
217#define CPU_FTR_ARCH_31 LONG_ASM_CONST(0x0004000000000000)
218#define CPU_FTR_DAWR1 LONG_ASM_CONST(0x0008000000000000)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000219
220#ifndef __ASSEMBLY__
221
222#define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_NOEXECUTE | CPU_FTR_NODSISRALIGN)
223
224#define MMU_FTR_PPCAS_ARCH_V2 (MMU_FTR_TLBIEL | MMU_FTR_16M_PAGE)
225
226/* We only set the altivec features if the kernel was compiled with altivec
227 * support
228 */
229#ifdef CONFIG_ALTIVEC
230#define CPU_FTR_ALTIVEC_COMP CPU_FTR_ALTIVEC
231#define PPC_FEATURE_HAS_ALTIVEC_COMP PPC_FEATURE_HAS_ALTIVEC
232#else
233#define CPU_FTR_ALTIVEC_COMP 0
234#define PPC_FEATURE_HAS_ALTIVEC_COMP 0
235#endif
236
237/* We only set the VSX features if the kernel was compiled with VSX
238 * support
239 */
240#ifdef CONFIG_VSX
241#define CPU_FTR_VSX_COMP CPU_FTR_VSX
242#define PPC_FEATURE_HAS_VSX_COMP PPC_FEATURE_HAS_VSX
243#else
244#define CPU_FTR_VSX_COMP 0
245#define PPC_FEATURE_HAS_VSX_COMP 0
246#endif
247
248/* We only set the spe features if the kernel was compiled with spe
249 * support
250 */
251#ifdef CONFIG_SPE
252#define CPU_FTR_SPE_COMP CPU_FTR_SPE
253#define PPC_FEATURE_HAS_SPE_COMP PPC_FEATURE_HAS_SPE
254#define PPC_FEATURE_HAS_EFP_SINGLE_COMP PPC_FEATURE_HAS_EFP_SINGLE
255#define PPC_FEATURE_HAS_EFP_DOUBLE_COMP PPC_FEATURE_HAS_EFP_DOUBLE
256#else
257#define CPU_FTR_SPE_COMP 0
258#define PPC_FEATURE_HAS_SPE_COMP 0
259#define PPC_FEATURE_HAS_EFP_SINGLE_COMP 0
260#define PPC_FEATURE_HAS_EFP_DOUBLE_COMP 0
261#endif
262
263/* We only set the TM feature if the kernel was compiled with TM supprt */
264#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
265#define CPU_FTR_TM_COMP CPU_FTR_TM
266#define PPC_FEATURE2_HTM_COMP PPC_FEATURE2_HTM
267#define PPC_FEATURE2_HTM_NOSC_COMP PPC_FEATURE2_HTM_NOSC
268#else
269#define CPU_FTR_TM_COMP 0
270#define PPC_FEATURE2_HTM_COMP 0
271#define PPC_FEATURE2_HTM_NOSC_COMP 0
272#endif
273
274/* We need to mark all pages as being coherent if we're SMP or we have a
275 * 74[45]x and an MPC107 host bridge. Also 83xx and PowerQUICC II
276 * require it for PCI "streaming/prefetch" to work properly.
277 * This is also required by 52xx family.
278 */
279#if defined(CONFIG_SMP) || defined(CONFIG_MPC10X_BRIDGE) \
280 || defined(CONFIG_PPC_83xx) || defined(CONFIG_8260) \
281 || defined(CONFIG_PPC_MPC52xx)
282#define CPU_FTR_COMMON CPU_FTR_NEED_COHERENT
283#else
284#define CPU_FTR_COMMON 0
285#endif
286
287/* The powersave features NAP & DOZE seems to confuse BDI when
288 debugging. So if a BDI is used, disable theses
289 */
290#ifndef CONFIG_BDI_SWITCH
291#define CPU_FTR_MAYBE_CAN_DOZE CPU_FTR_CAN_DOZE
292#define CPU_FTR_MAYBE_CAN_NAP CPU_FTR_CAN_NAP
293#else
294#define CPU_FTR_MAYBE_CAN_DOZE 0
295#define CPU_FTR_MAYBE_CAN_NAP 0
296#endif
297
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000298#define CPU_FTRS_603 (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | \
David Brazdil0f672f62019-12-10 10:32:29 +0000299 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE | CPU_FTR_NOEXECUTE)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000300#define CPU_FTRS_604 (CPU_FTR_COMMON | CPU_FTR_PPC_LE)
301#define CPU_FTRS_740_NOTAU (CPU_FTR_COMMON | \
302 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
303 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
304#define CPU_FTRS_740 (CPU_FTR_COMMON | \
305 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
306 CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \
307 CPU_FTR_PPC_LE)
308#define CPU_FTRS_750 (CPU_FTR_COMMON | \
309 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
310 CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \
311 CPU_FTR_PPC_LE)
312#define CPU_FTRS_750CL (CPU_FTRS_750)
313#define CPU_FTRS_750FX1 (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM)
314#define CPU_FTRS_750FX2 (CPU_FTRS_750 | CPU_FTR_NO_DPM)
315#define CPU_FTRS_750FX (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX)
316#define CPU_FTRS_750GX (CPU_FTRS_750FX)
317#define CPU_FTRS_7400_NOTAU (CPU_FTR_COMMON | \
318 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
319 CPU_FTR_ALTIVEC_COMP | \
320 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
321#define CPU_FTRS_7400 (CPU_FTR_COMMON | \
322 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
323 CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | \
324 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
325#define CPU_FTRS_7450_20 (CPU_FTR_COMMON | \
326 CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
327 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
328 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
329#define CPU_FTRS_7450_21 (CPU_FTR_COMMON | \
330 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
331 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
332 CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
333 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
334#define CPU_FTRS_7450_23 (CPU_FTR_COMMON | \
335 CPU_FTR_NEED_PAIRED_STWCX | \
336 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
337 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
338 CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
339#define CPU_FTRS_7455_1 (CPU_FTR_COMMON | \
340 CPU_FTR_NEED_PAIRED_STWCX | \
341 CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR | \
342 CPU_FTR_SPEC7450 | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
343#define CPU_FTRS_7455_20 (CPU_FTR_COMMON | \
344 CPU_FTR_NEED_PAIRED_STWCX | \
345 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
346 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
347 CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
348 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
349#define CPU_FTRS_7455 (CPU_FTR_COMMON | \
350 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
351 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
352 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
353#define CPU_FTRS_7447_10 (CPU_FTR_COMMON | \
354 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
355 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
356 CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC | CPU_FTR_PPC_LE | \
357 CPU_FTR_NEED_PAIRED_STWCX)
358#define CPU_FTRS_7447 (CPU_FTR_COMMON | \
359 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
360 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
361 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
362#define CPU_FTRS_7447A (CPU_FTR_COMMON | \
363 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
364 CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
365 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
366#define CPU_FTRS_7448 (CPU_FTR_COMMON | \
367 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
368 CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
369 CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
David Brazdil0f672f62019-12-10 10:32:29 +0000370#define CPU_FTRS_82XX (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_NOEXECUTE)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000371#define CPU_FTRS_G2_LE (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | \
Olivier Deprez0e641232021-09-23 10:07:05 +0200372 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NOEXECUTE)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000373#define CPU_FTRS_E300 (CPU_FTR_MAYBE_CAN_DOZE | \
374 CPU_FTR_MAYBE_CAN_NAP | \
David Brazdil0f672f62019-12-10 10:32:29 +0000375 CPU_FTR_COMMON | CPU_FTR_NOEXECUTE)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000376#define CPU_FTRS_E300C2 (CPU_FTR_MAYBE_CAN_DOZE | \
377 CPU_FTR_MAYBE_CAN_NAP | \
David Brazdil0f672f62019-12-10 10:32:29 +0000378 CPU_FTR_COMMON | CPU_FTR_FPU_UNAVAILABLE | CPU_FTR_NOEXECUTE)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000379#define CPU_FTRS_CLASSIC32 (CPU_FTR_COMMON)
380#define CPU_FTRS_8XX (CPU_FTR_NOEXECUTE)
381#define CPU_FTRS_40X (CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE)
382#define CPU_FTRS_44X (CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE)
383#define CPU_FTRS_440x6 (CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE | \
384 CPU_FTR_INDEXED_DCR)
385#define CPU_FTRS_47X (CPU_FTRS_440x6)
386#define CPU_FTRS_E200 (CPU_FTR_SPE_COMP | \
387 CPU_FTR_NODSISRALIGN | CPU_FTR_COHERENT_ICACHE | \
David Brazdil0f672f62019-12-10 10:32:29 +0000388 CPU_FTR_NOEXECUTE | \
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000389 CPU_FTR_DEBUG_LVL_EXC)
390#define CPU_FTRS_E500 (CPU_FTR_MAYBE_CAN_DOZE | \
391 CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN | \
392 CPU_FTR_NOEXECUTE)
393#define CPU_FTRS_E500_2 (CPU_FTR_MAYBE_CAN_DOZE | \
394 CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \
395 CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE)
396#define CPU_FTRS_E500MC (CPU_FTR_NODSISRALIGN | \
397 CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
398 CPU_FTR_DBELL | CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV)
399/*
400 * e5500/e6500 erratum A-006958 is a timebase bug that can use the
401 * same workaround as CPU_FTR_CELL_TB_BUG.
402 */
403#define CPU_FTRS_E5500 (CPU_FTR_NODSISRALIGN | \
404 CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
405 CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
406 CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_CELL_TB_BUG)
407#define CPU_FTRS_E6500 (CPU_FTR_NODSISRALIGN | \
408 CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
409 CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
410 CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_ALTIVEC_COMP | \
411 CPU_FTR_CELL_TB_BUG | CPU_FTR_SMT)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000412
413/* 64-bit CPUs */
414#define CPU_FTRS_PPC970 (CPU_FTR_LWSYNC | \
415 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
416 CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA | \
417 CPU_FTR_CP_USE_DCBTZ | CPU_FTR_STCX_CHECKS_ADDRESS | \
418 CPU_FTR_HVMODE | CPU_FTR_DABRX)
419#define CPU_FTRS_POWER5 (CPU_FTR_LWSYNC | \
420 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
421 CPU_FTR_MMCRA | CPU_FTR_SMT | \
422 CPU_FTR_COHERENT_ICACHE | CPU_FTR_PURR | \
423 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_DABRX)
424#define CPU_FTRS_POWER6 (CPU_FTR_LWSYNC | \
425 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
426 CPU_FTR_MMCRA | CPU_FTR_SMT | \
427 CPU_FTR_COHERENT_ICACHE | \
428 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
429 CPU_FTR_DSCR | CPU_FTR_UNALIGNED_LD_STD | \
430 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_CFAR | \
431 CPU_FTR_DABRX)
432#define CPU_FTRS_POWER7 (CPU_FTR_LWSYNC | \
433 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
434 CPU_FTR_MMCRA | CPU_FTR_SMT | \
435 CPU_FTR_COHERENT_ICACHE | \
436 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
437 CPU_FTR_DSCR | CPU_FTR_SAO | CPU_FTR_ASYM_SMT | \
438 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
439 CPU_FTR_CFAR | CPU_FTR_HVMODE | \
Olivier Deprez157378f2022-04-04 15:47:50 +0200440 CPU_FTR_VMX_COPY | CPU_FTR_HAS_PPR | CPU_FTR_DABRX )
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000441#define CPU_FTRS_POWER8 (CPU_FTR_LWSYNC | \
442 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
443 CPU_FTR_MMCRA | CPU_FTR_SMT | \
444 CPU_FTR_COHERENT_ICACHE | \
445 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
446 CPU_FTR_DSCR | CPU_FTR_SAO | \
447 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
448 CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
449 CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_DAWR | \
Olivier Deprez157378f2022-04-04 15:47:50 +0200450 CPU_FTR_ARCH_207S | CPU_FTR_TM_COMP )
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000451#define CPU_FTRS_POWER8E (CPU_FTRS_POWER8 | CPU_FTR_PMAO_BUG)
452#define CPU_FTRS_POWER9 (CPU_FTR_LWSYNC | \
453 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
454 CPU_FTR_MMCRA | CPU_FTR_SMT | \
455 CPU_FTR_COHERENT_ICACHE | \
456 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
457 CPU_FTR_DSCR | CPU_FTR_SAO | \
458 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
459 CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
460 CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \
Olivier Deprez157378f2022-04-04 15:47:50 +0200461 CPU_FTR_TM_COMP | CPU_FTR_ARCH_300 | CPU_FTR_P9_TLBIE_STQ_BUG | \
462 CPU_FTR_P9_TLBIE_ERAT_BUG | CPU_FTR_P9_TIDR)
463#define CPU_FTRS_POWER9_DD2_0 (CPU_FTRS_POWER9 | CPU_FTR_P9_RADIX_PREFETCH_BUG)
464#define CPU_FTRS_POWER9_DD2_1 (CPU_FTRS_POWER9 | \
465 CPU_FTR_P9_RADIX_PREFETCH_BUG | \
466 CPU_FTR_POWER9_DD2_1)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000467#define CPU_FTRS_POWER9_DD2_2 (CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD2_1 | \
468 CPU_FTR_P9_TM_HV_ASSIST | \
469 CPU_FTR_P9_TM_XER_SO_BUG)
Olivier Deprez157378f2022-04-04 15:47:50 +0200470#define CPU_FTRS_POWER10 (CPU_FTR_LWSYNC | \
471 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
472 CPU_FTR_MMCRA | CPU_FTR_SMT | \
473 CPU_FTR_COHERENT_ICACHE | \
474 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
475 CPU_FTR_DSCR | CPU_FTR_SAO | \
476 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
477 CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
478 CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \
479 CPU_FTR_ARCH_300 | CPU_FTR_ARCH_31 | \
480 CPU_FTR_DAWR | CPU_FTR_DAWR1)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000481#define CPU_FTRS_CELL (CPU_FTR_LWSYNC | \
482 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
483 CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
484 CPU_FTR_PAUSE_ZERO | CPU_FTR_CELL_TB_BUG | CPU_FTR_CP_USE_DCBTZ | \
485 CPU_FTR_UNALIGNED_LD_STD | CPU_FTR_DABRX)
486#define CPU_FTRS_PA6T (CPU_FTR_LWSYNC | \
487 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP | \
488 CPU_FTR_PURR | CPU_FTR_REAL_LE | CPU_FTR_DABRX)
489#define CPU_FTRS_COMPATIBLE (CPU_FTR_PPCAS_ARCH_V2)
490
491#ifdef __powerpc64__
492#ifdef CONFIG_PPC_BOOK3E
493#define CPU_FTRS_POSSIBLE (CPU_FTRS_E6500 | CPU_FTRS_E5500)
494#else
495#ifdef CONFIG_CPU_LITTLE_ENDIAN
496#define CPU_FTRS_POSSIBLE \
497 (CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | CPU_FTRS_POWER8 | \
498 CPU_FTR_ALTIVEC_COMP | CPU_FTR_VSX_COMP | CPU_FTRS_POWER9 | \
Olivier Deprez157378f2022-04-04 15:47:50 +0200499 CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | CPU_FTRS_POWER10)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000500#else
501#define CPU_FTRS_POSSIBLE \
502 (CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | \
503 CPU_FTRS_POWER6 | CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | \
504 CPU_FTRS_POWER8 | CPU_FTRS_CELL | CPU_FTRS_PA6T | \
505 CPU_FTR_VSX_COMP | CPU_FTR_ALTIVEC_COMP | CPU_FTRS_POWER9 | \
Olivier Deprez157378f2022-04-04 15:47:50 +0200506 CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | CPU_FTRS_POWER10)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000507#endif /* CONFIG_CPU_LITTLE_ENDIAN */
508#endif
509#else
510enum {
511 CPU_FTRS_POSSIBLE =
Olivier Deprez157378f2022-04-04 15:47:50 +0200512#ifdef CONFIG_PPC_BOOK3S_32
513 CPU_FTRS_603 | CPU_FTRS_604 | CPU_FTRS_740_NOTAU |
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000514 CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 |
515 CPU_FTRS_750FX2 | CPU_FTRS_750FX | CPU_FTRS_750GX |
516 CPU_FTRS_7400_NOTAU | CPU_FTRS_7400 | CPU_FTRS_7450_20 |
517 CPU_FTRS_7450_21 | CPU_FTRS_7450_23 | CPU_FTRS_7455_1 |
518 CPU_FTRS_7455_20 | CPU_FTRS_7455 | CPU_FTRS_7447_10 |
519 CPU_FTRS_7447 | CPU_FTRS_7447A | CPU_FTRS_82XX |
520 CPU_FTRS_G2_LE | CPU_FTRS_E300 | CPU_FTRS_E300C2 |
521 CPU_FTRS_CLASSIC32 |
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000522#endif
523#ifdef CONFIG_PPC_8xx
524 CPU_FTRS_8XX |
525#endif
526#ifdef CONFIG_40x
527 CPU_FTRS_40X |
528#endif
529#ifdef CONFIG_44x
530 CPU_FTRS_44X | CPU_FTRS_440x6 |
531#endif
532#ifdef CONFIG_PPC_47x
533 CPU_FTRS_47X | CPU_FTR_476_DD2 |
534#endif
535#ifdef CONFIG_E200
536 CPU_FTRS_E200 |
537#endif
538#ifdef CONFIG_E500
539 CPU_FTRS_E500 | CPU_FTRS_E500_2 |
540#endif
541#ifdef CONFIG_PPC_E500MC
542 CPU_FTRS_E500MC | CPU_FTRS_E5500 | CPU_FTRS_E6500 |
543#endif
544 0,
545};
546#endif /* __powerpc64__ */
547
548#ifdef __powerpc64__
549#ifdef CONFIG_PPC_BOOK3E
550#define CPU_FTRS_ALWAYS (CPU_FTRS_E6500 & CPU_FTRS_E5500)
551#else
552
553#ifdef CONFIG_PPC_DT_CPU_FTRS
554#define CPU_FTRS_DT_CPU_BASE \
555 (CPU_FTR_LWSYNC | \
556 CPU_FTR_FPU_UNAVAILABLE | \
557 CPU_FTR_NODSISRALIGN | \
558 CPU_FTR_NOEXECUTE | \
559 CPU_FTR_COHERENT_ICACHE | \
560 CPU_FTR_STCX_CHECKS_ADDRESS | \
561 CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
562 CPU_FTR_DAWR | \
563 CPU_FTR_ARCH_206 | \
564 CPU_FTR_ARCH_207S)
565#else
566#define CPU_FTRS_DT_CPU_BASE (~0ul)
567#endif
568
569#ifdef CONFIG_CPU_LITTLE_ENDIAN
570#define CPU_FTRS_ALWAYS \
571 (CPU_FTRS_POSSIBLE & ~CPU_FTR_HVMODE & CPU_FTRS_POWER7 & \
572 CPU_FTRS_POWER8E & CPU_FTRS_POWER8 & CPU_FTRS_POWER9 & \
573 CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_DT_CPU_BASE)
574#else
575#define CPU_FTRS_ALWAYS \
576 (CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & \
577 CPU_FTRS_POWER6 & CPU_FTRS_POWER7 & CPU_FTRS_CELL & \
578 CPU_FTRS_PA6T & CPU_FTRS_POWER8 & CPU_FTRS_POWER8E & \
579 ~CPU_FTR_HVMODE & CPU_FTRS_POSSIBLE & CPU_FTRS_POWER9 & \
580 CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_DT_CPU_BASE)
581#endif /* CONFIG_CPU_LITTLE_ENDIAN */
582#endif
583#else
584enum {
585 CPU_FTRS_ALWAYS =
Olivier Deprez157378f2022-04-04 15:47:50 +0200586#ifdef CONFIG_PPC_BOOK3S_32
David Brazdil0f672f62019-12-10 10:32:29 +0000587 CPU_FTRS_603 & CPU_FTRS_604 & CPU_FTRS_740_NOTAU &
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000588 CPU_FTRS_740 & CPU_FTRS_750 & CPU_FTRS_750FX1 &
589 CPU_FTRS_750FX2 & CPU_FTRS_750FX & CPU_FTRS_750GX &
590 CPU_FTRS_7400_NOTAU & CPU_FTRS_7400 & CPU_FTRS_7450_20 &
591 CPU_FTRS_7450_21 & CPU_FTRS_7450_23 & CPU_FTRS_7455_1 &
592 CPU_FTRS_7455_20 & CPU_FTRS_7455 & CPU_FTRS_7447_10 &
593 CPU_FTRS_7447 & CPU_FTRS_7447A & CPU_FTRS_82XX &
594 CPU_FTRS_G2_LE & CPU_FTRS_E300 & CPU_FTRS_E300C2 &
595 CPU_FTRS_CLASSIC32 &
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000596#endif
597#ifdef CONFIG_PPC_8xx
598 CPU_FTRS_8XX &
599#endif
600#ifdef CONFIG_40x
601 CPU_FTRS_40X &
602#endif
603#ifdef CONFIG_44x
604 CPU_FTRS_44X & CPU_FTRS_440x6 &
605#endif
606#ifdef CONFIG_E200
607 CPU_FTRS_E200 &
608#endif
609#ifdef CONFIG_E500
610 CPU_FTRS_E500 & CPU_FTRS_E500_2 &
611#endif
612#ifdef CONFIG_PPC_E500MC
613 CPU_FTRS_E500MC & CPU_FTRS_E5500 & CPU_FTRS_E6500 &
614#endif
615 ~CPU_FTR_EMB_HV & /* can be removed at runtime */
616 CPU_FTRS_POSSIBLE,
617};
618#endif /* __powerpc64__ */
619
Olivier Deprez157378f2022-04-04 15:47:50 +0200620/*
621 * Maximum number of hw breakpoint supported on powerpc. Number of
622 * breakpoints supported by actual hw might be less than this, which
623 * is decided at run time in nr_wp_slots().
624 */
625#define HBP_NUM_MAX 2
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000626
627#endif /* !__ASSEMBLY__ */
628
629#endif /* __ASM_POWERPC_CPUTABLE_H */